bisecting fixing commit since a844dc4c544291470aa69edbe2434b040794e269
building syzkaller on 1508f45368a309a3b1196a342b3d64ce7be4cc43
testing commit a844dc4c544291470aa69edbe2434b040794e269
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 7546c887145eb5ae4606978a1df1860718a48ab083923340114049701df9f955
all runs: crashed: KASAN: null-ptr-deref Read in llcp_sock_getname
testing current HEAD 46914f96189be290174e378c6bf9ccadfdb9ca1e
testing commit 46914f96189be290174e378c6bf9ccadfdb9ca1e
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 59a8cd74772fdca7588eb22f2ce6dde52e28b979ed421e2ca61be76bbd0ee007
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 25m41.573062237s (build: 18m49.310541223s, test: 6m10.859111128s)
the crash still happens on HEAD
commit msg: Linux 4.14.243
crash: unregister_netdevice: waiting for DEV to become free
can: request_module (can-proto-0) failed.
can: request_module (can-proto-0) failed.
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1